Citazione APA

(1993). Journal for farming systems research- extension. Association for Farming Systems Research- Extension.

Stile di citazione Chicago

Journal for Farming Systems Research- Extension. Association for Farming Systems Research- Extension, 1993.

Citazione MLA

Journal for Farming Systems Research- Extension. Association for Farming Systems Research- Extension, 1993.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.